Function datums_to_binary_row

crates/paimon/src/spec/binary_row.rs:628–645

Build a serialized BinaryRow from optional Datum values. Returns empty vec if all values are None.

(datums: &[(&Option<Datum>, &DataType)])

/// Build a serialized BinaryRow from optional Datum values.
/// Returns empty vec if all values are None.
pub fn datums_to_binary_row(datums: &[(&Option<Datum>, &DataType)]) -> Vec<u8> {
    if datums.iter().all(|(d, _)| d.is_none()) {
        return vec![];
    }
    let arity = datums.len() as i32;
    let mut builder = BinaryRowBuilder::new(arity);
    for (pos, (datum_opt, data_type)) in datums.iter().enumerate() {
        match datum_opt {
            Some(datum) => {
                builder.write_datum(pos, datum, data_type);
            }
            None => {
                builder.set_null_at(pos);
            }
        }
    }
    builder.build_serialized()
}

/// Extract a Datum from an Arrow RecordBatch column at the given row index.
pub fn extract_datum_from_arrow(